package com.taotao.portal.httpclientService;

import java.io.IOException;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import Utils.HttpResult;

@Service
public class HttpClientService {

	@Autowired
	private CloseableHttpClient httpclient;

	@Autowired
	private RequestConfig config;

	public String doGet(String url) throws ClientProtocolException, IOException {

		CloseableHttpResponse response = null;
		try {
			HttpGet httpGet = new HttpGet(url);
			httpGet.setConfig(config);
			// 执行请求
			response = httpclient.execute(httpGet);
			// 判断返回状态是否为200
			if (response.getStatusLine().getStatusCode() == 200) {
				String content = EntityUtils.toString(response.getEntity(),
						"UTF-8");
				return content;
			}
		} finally {
			if (response != null) {
				response.close();
			}

		}
		return null;
	}

	public String doGet(String url, Map<String, String> params)
			throws URISyntaxException, ClientProtocolException, IOException {
		URIBuilder builder = new URIBuilder(url);
		for (Map.Entry<String, String> entry : params.entrySet())
			builder.addParameter(entry.getKey(), entry.getValue());
		return this.doGet(builder.build().toString());
	}

	public HttpResult doPost(String url, Map<String, String> params)
			throws ClientProtocolException, IOException {

		// 创建http POST请求
		HttpPost httpPost = new HttpPost(url);
		httpPost.setConfig(config);
		// 设置2个post参数，一个是scope、一个是q
		List<NameValuePair> parameters = new ArrayList<NameValuePair>(0);
		if (null != params) {
			for (Map.Entry<String, String> entry : params.entrySet())
				parameters.add(new BasicNameValuePair(entry.getKey(), entry
						.getKey()));
		}
		// 构造一个form表单式的实体
		UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(parameters,
				"UTF-8");
		// 将请求实体设置到httpPost对象中
		httpPost.setEntity(formEntity);

		CloseableHttpResponse response = null;
		try {
			// 执行请求
			response = httpclient.execute(httpPost);

			String content = EntityUtils
					.toString(response.getEntity(), "UTF-8");
			return new HttpResult(response.getStatusLine().getStatusCode(),
					content);

		} finally {
			if (response != null) {
				response.close();
			}
		}

	}
	
	/**
	 * post提交string格式数据
	 * @param url
	 * @param params
	 * @param data
	 * @return
	 * @throws ClientProtocolException
	 * @throws IOException
	 */
	public HttpResult doPostJson(String url, Map<String, String> params, String data)
			throws ClientProtocolException, IOException {

		// 创建http POST请求
		HttpPost httpPost = new HttpPost(url);
		httpPost.setConfig(config);
		StringEntity entity = new StringEntity(data, "utf-8");
		// 将请求实体设置到httpPost对象中
		httpPost.setEntity(entity);

		CloseableHttpResponse response = null;
		try {
			// 执行请求
			response = httpclient.execute(httpPost);

			String content = EntityUtils
					.toString(response.getEntity(), "UTF-8");
			return new HttpResult(response.getStatusLine().getStatusCode(),
					content);

		} finally {
			if (response != null) {
				response.close();
			}
		}

	}

	public HttpResult doPost(String url) throws ClientProtocolException,
			IOException {
		return doPost(url, null);
	}
}
